USN-3436-1: Thunderbird vulnerabilities
Ubuntu Security Notice USN-3436-1
11th October, 2017
thunderbird vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
Several security issues were fixed in Thunderbird.
Software description
- thunderbird
– Mozilla Open Source mail and newsgroup client
Details
Multiple security issues were discovered in Thunderbird. If a user were
tricked in to opening a specially crafted website in a browsing-like
context, an attacker could potentially exploit these to read uninitialized
memory, bypass phishing and malware protection, conduct cross-site
scripting (XSS) attacks, cause a denial of service via application crash,
or execute arbitrary code. (CVE-2017-7793, CVE-2017-7810, CVE-2017-7814,
CVE-2017-7818, CVE-2017-7819, CVE-2017-7823, CVE-2017-7824)
Martin Thomson discovered that NSS incorrectly generated handshake hashes.
A remote attacker could potentially exploit this to cause a denial of
service via application crash, or execute arbitrary code. (CVE-2017-7805)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 17.04:
-
thunderbird
1:52.4.0+build1-0ubuntu0.17.04.2
- Ubuntu 16.04 LTS:
-
thunderbird
1:52.4.0+build1-0ubuntu0.16.04.2
- Ubuntu 14.04 LTS:
-
thunderbird
1:52.4.0+build1-0ubuntu0.14.04.2
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart Thunderbird to make
all the necessary changes.
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